ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,333, issued on July 7, was assigned to Bruker Spatial Biology Inc. (Seattle).

"Methods of penning micro-objects using positive dielectrophoresis" was invented by Volker L.S. Kurz (Oakland, Calif.), John A. Tenney (Piedmont, Calif.) and Long Van Le (Emeryville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of selectively positioning a micro-object in a microfluidic device are described in this application. The microfluidic device can comprise an enclosure having an inlet, an outlet, and a flow region connecting the inlet and outlet, and an electrode activation substrate having a photoconductive layer. The methods of selectively positio...